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  1. zhang, y., & liu, j. (2021). advances in delayed-action amine catalysts for polyurethane applications. progress in polymer science, 112, 101456.
  2. smith, r., & johnson, t. (2020). catalyst design strategies for foam control in polyurethane systems. journal of applied polymer science, 137(4), 48653.
  3. wang, l., et al. (2019). optimization of reaction kinetics using temperature-responsive catalysts in rigid foam production. polymer engineering & science, 59(s2), e123¨Ce131.
  4. chen, x., & li, h. (2022). cost-benefit analysis of delayed catalysts in industrial polyurethane manufacturing. chinese journal of chemical engineering, 30(4), 89¨C97.
  5. european polyurethane association (epur). (2023). sustainable catalysts for the future: industry trends report. brussels.

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